Bilbao Symphony Orchestra, one of the principal orchestras in Spain, is performing in Morocco between September 22 and September 25. Wanadoo reports that Bilbao Symphony Orchestra (BOS), which is formed of nine Spanish musicians, will perform in Rabat, Marrakech and Casablanca until September 25. Spanish Orchestra will interpret work of Spanish and Basque composers in particular of Vitoriano Jesus Guridi, Xavier Montsalvatge and Manuel Falla. BOS will also take part in a series of concerts with Moroccan musicians.